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How much force must a locomotive exert on a 12840-kg boxcar to make it accelerate forward at 0.490 m/s2?
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An object's buoyant force and weight mean the same thing.a. trueb. false
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An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above
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On a cool morning, uyen’s breath can form a cloud when she breathes out. which changes of state are...
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